US3200456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting method and apparatus
Assignee: Babcock and Wilcox Co
•
Filing: 1961-09-12
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Granted: 1965-08-17
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Expires: 1981-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Isaac Harter
- 👤 William G Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:41
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/12; B22D11/128; B22D11/1281; B22D11/04; B22D11/053; B22D11/14; B22D11/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN THE CONTINUOUS CASTING OF METAL WHEREIN MOLTEN METAL IS DELIVERED AT A SUBSTANTIALLY CONTINUOUS RATE TO AN UPRIGHT OPEN ENDED FLUID COOLED MOLD AND AN EMBRYO CASTING IS WITHDRAWN FROM THE OPPOSITE END OF SAID MOLD, THE METHOD OF OPERATION WHICH COMPRISES WITHDRAWING THE EMBRYO CASTING FROM SAID MOLD IN A PATTERN OF CHANGING WITHDRAWL RATES TO VARY THE MOLTEN METAL LEVEL IN THE MOLD BETWEEN A RANGE OF SELECTED UPPER AND LOWER LIMITS, AND SEPARATELY RECIPROCATING THE CONTINUOUS CASTING MOLD IN AN AXIAL DIRECTION.
Claim 2
Dependent Claim
86 words
IN THE CONTINUOUS CASTING OF METAL WHEREIN MOLTEN METAL IS DELIVERED AT A SUBSTANTIALLY CONTINUOUS RATE TO AN UPRIGHT OPEN ENDED FLUID COOLED MOLD AND AN EMBRYO CASTING IS WITHDRAWN FROM THE OPPOSITE END OF SAID MOLD, THE METHOD OF OPERATION WHICH COMPRISES WITHDRAWING THE EMBRYO CASTING FROM SAID MOLD IN A PATTERN OF CHANGING WITHDRAWL RATES TO VARY THE MOLTEN METAL LEVEL IN THE MOLD BETWEEN A RANGE OF SELECTED UPPER AND LOWER LIMITS, AND SEPARATELY RECIPROCATING THE CONTINUOUS CASTING MOLD IN AN AXIAL DIRECTION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |